CN211536831U - Filter core dismouting structure and water purifier - Google Patents

Abstract

The utility model relates to a filter core dismouting structure and water purifier, filter core dismouting structure includes: a housing having a mounting hole at a top thereof; a filter element assembly removably mounted within the housing through the mounting aperture; the cartridge buckle assembly is installed at the top of the filter element assembly and comprises a driving piece and a driven piece, wherein the driven piece is symmetrically arranged on two sides of the driving piece and connected with the driving piece, the filter element assembly or the driving piece is arranged on the mounting hole, the axial movement of the mounting hole can drive the driven piece and the side wall of the shell are combined or separated to lock or unlock the filter element assembly and the shell. The utility model provides a filter core dismouting structure is through setting up the bullet knot subassembly at filter element group spare top, can need not rotatory mounting structure with the reliable dismouting of filter element group spare of through-type to can effectively prevent to leak, and improve the user and use experience.

Description

Disassembly and assembly structure of filter element and water purifier

technical field

The utility model relates to the technical field of water purifiers, in particular to a disassembly and assembly structure of a filter element and a water purifier.

Background technique

At present, the water purifiers on the market need to close the raw water source when replacing the filter element assembly. After the water source is closed, there is still internal pressure and part of the internal water in the whole machine. However, the water sealing structure of the filter element/water board assembly needs to cooperate with the filter element assembly. The purpose of sealing water can only be achieved by driving the independent rotating body parts in the base assembly (waterway plate assembly) to rotate. During this process, the user experience of the rotating filter element is poor and the operation is slightly improper. It will overflow from the base assembly and the filter element assembly, resulting in abnormal operation of the whole mechanical and electrical components, poor user experience, and increasing the difficulty of after-sales maintenance.

The Chinese patent application with publication number CN109731391A discloses a direct-insertion filter element structure and water purification equipment. The filter element is fitted into the filter seat by means of rotating and snapping, and the rotating connection method is adopted. phenomenon, resulting in the water purifier not functioning properly.

Utility model content

In view of the above problems existing in the prior art, the purpose of the present invention is to provide a filter element disassembly and assembly structure and a water purifier, which can improve the water leakage problem of the filter element caused by the replacement of the filter element during the process of installing the filter element, and the structure is simple and can be disassembled. It is easy to install and can improve the user experience.

In order to achieve the above purpose, the utility model provides a filter element disassembly and assembly structure, including:

the shell, the top of which is provided with a mounting hole;

a filter element assembly, which is detachably installed in the housing through the installation hole;

An elastic buckle assembly, which is installed on the top of the filter element assembly, the elastic buckle assembly includes a driving part and a driven part symmetrically arranged on both sides of the driving part and connected with the driving part, the filter element assembly Or the axial movement of the driving member along the mounting hole can drive the driven member to be combined with or separated from the side wall of the housing to lock or unlock the filter element assembly and the housing.

The filter element disassembly and assembly structure provided by the embodiment of the present invention can reliably disassemble and assemble the straight-through filter element assembly through the elastic buckle assembly disposed on the top of the filter element assembly, without the need for a rotating installation structure, which can effectively prevent water leakage and improve the user experience.

In some embodiments, the outer periphery of the follower is provided with a buckle portion, the side wall of the housing is provided with a slot that can be adapted and engaged with the buckle portion, and the filter element assembly is mounted on the When inside the casing, the snap-fit portion is engaged with the card slot to lock and fix the filter element assembly and the casing; when the filter element assembly is disassembled, the driving member can move downward to drive The follower moves inward horizontally in a direction perpendicular to the central axis of the mounting hole to disengage the buckle portion from the locking slot, thereby unlocking the filter element assembly and the housing, and further Remove the filter element assembly. Through the mutual snap-fit of the buckle portion and the card slot, the filter element assembly and the housing can be reliably connected, and the filter element assembly and the housing can be unlocked smoothly when disassembly is required.

In some embodiments, the filter element assembly includes a cylinder body and a filter element upper cover mounted on the top of the cylinder body, the filter element upper cover is connected with the cylinder body by rotational fusion, and the elastic buckle assembly is provided on the in the upper cover of the filter element and the two ends of the follower pass through the side wall of the upper cover of the filter element;

The filter element assembly further includes a lower cover matched with the upper cover of the filter element, the lower cover and the upper cover of the filter element are arranged opposite to and fixedly connected to form a receiving cavity for installing the elastic buckle assembly.

The upper cover and the lower cover of the filter element are matched up and down to form a accommodating cavity for installing the elastic buckle assembly, and it is connected with the cylinder body by rotary melting.

In some embodiments, the driving member includes a disk-shaped connecting member and a first spring connected to the bottom of the connecting member, a pressing portion is provided at the center of the connecting member, and the pressing portion penetrates through the connecting member The upper and lower surfaces of the piece extend upward and downward for a certain distance. By arranging pressing parts penetrating the upper and lower ends of the connecting piece, one end is used for pressing and the other end is used for connecting the spring, the structure is reasonable and the pressing is convenient.

In some embodiments, the follower is installed below the connector and symmetrically located on both sides of the pressing portion, and the follower includes a direction from outside to inside along a pressing direction perpendicular to the pressing portion. A driven spring buckle, a second spring and a connecting sleeve are arranged in sequence, the connecting sleeve is arranged close to the pressing part and has a certain distance from the side wall of the pressing part, and one end of the second spring is connected to the side wall of the pressing part. Connected by a driven elastic buckle, the other end of the second spring is in contact with the side wall of the pressing portion through the connecting sleeve. Connecting the spring through the connecting sleeve can guide the expansion and contraction of the spring on the one hand, and limit the upper and lower sides of the spring as well as the front and rear sides on the other hand to prevent its horizontal deviation.

In some embodiments, the bottom surface of the connecting member is provided with a push member, and the outer side of the driven elastic buckle is provided with a concave portion matched with the push member. A push piece is arranged on the bottom surface of the connecting piece and is matched with the driven snap buckle, which can drive the driven snap snap to move inwardly, thereby realizing the effective unlocking between the filter element assembly and the housing.

In some embodiments, the pushing member is a wedge-shaped structure, and the wedge-shaped structure has an inclined inclined surface, and the inclined surface cooperates with the concave portion to push the driven elastic buckle to move horizontally. Using the inclined inclined plane to cooperate with the driven elastic buckle, using the principle of geometric mechanics, the structure is simple and the driving efficiency is high.

In some embodiments, the bottom of the pressing portion is provided with a groove for installing the first spring, one end of the first spring is in contact with the groove bottom of the groove, and the other end of the first spring is in contact with the groove bottom of the groove. One end is in contact with the lower cover. A groove for installing the first spring is provided at the bottom of the pressing portion, so as to be able to guide the expansion and contraction of the first spring to prevent it from shifting during the movement and affecting the installation effect.

The embodiment of the present utility model also provides a water purifier, and the water purifier includes the above-mentioned filter element disassembly and assembly structure. The water purifier adopts the above-mentioned direct-push filter element disassembly and assembly structure, which has a simple structure, convenient disassembly and assembly, and reliable fixation; at the same time, with the straight-through filter element water sealing structure, the water flow channel can be connected when the filter element is assembled and locked, and the filter element is disassembled. When the water flow channel is closed, the two-way water sealing can be realized, which can effectively prevent water leakage and improve the user experience.

In some embodiments, the water purifier further includes a base assembly matched with the filter element assembly, the filter element assembly is detachably mounted on the base assembly through the housing, and the filter element assembly is inside the base assembly. There is a first water flow channel, the base assembly is provided with a second water flow channel corresponding to the first water flow channel, and the first water flow channel and the second water flow channel are respectively installed with the same structure and opposite to each other. The first valve core assembly and the second valve core assembly, each valve core assembly includes a valve core and a third spring sleeved on the valve core, when the filter core assembly is installed on the base assembly, the The interaction of the first valve core assembly and the second valve core assembly causes the two third springs to be compressed respectively, and drives the two valve cores to move in opposite directions, so that the first water flow channel and the The second water flow channel is connected; when the filter element assembly and the base assembly are disassembled and separated, the two third springs release the elastic force to drive the two valve cores to reset, so as to separate the first water flow channel and the base assembly respectively. The second water flow channel is closed. The valve core components arranged oppositely up and down can automatically seal water, effectively prevent water leakage, and with the straight-through disassembly and assembly structure, the structure is simple, the disassembly and assembly are convenient, and the connection is reliable.

Description of drawings

In the drawings, which are not necessarily to scale, the same reference numbers may describe similar parts in different views. The same reference number with a letter suffix or a different letter suffix may denote different instances of similar components. The drawings illustrate various embodiments generally by way of example and not limitation, and together with the description and claims serve to explain embodiments of the invention. Where appropriate, the same reference numbers will be used throughout the drawings to refer to the same or like parts. Such embodiments are illustrative, and are not intended to be exhaustive or exclusive embodiments of the present apparatus or method.

1 is a schematic structural diagram of a filter element assembly and a base assembly according to an embodiment of the present invention;

2 is a schematic exploded schematic diagram of a partial structure of a filter element assembly according to an embodiment of the present invention;

FIG. 3 is a schematic view of the rear structure of the connector in FIG. 2;

4 is a schematic diagram of the filter element assembly and the housing in a locked state when the filter element assembly according to the embodiment of the present invention is installed on the base assembly;

5 is a schematic diagram of the filter element assembly and the housing in an unlocked state when the filter element assembly and the base assembly according to the embodiment of the present invention are disassembled and separated.

Reference number:

1-shell, 101-installation hole, 11-card slot;

2-Filter element assembly, 21-Cylinder body, 211-Guide part, 22-Filter element upper cover, 221-Installation sleeve, 23-Lower cover, 231-Annular groove, 232-Limiting protrusion, 24-Filter element;

3-elastic buckle assembly, 31-driving part, 311-connecting part, 3111-pressing part, 3112-groove, 312-first spring, 313-pushing part, 32-follower part, 321-buckling part, 322 -Following spring buckle, 3221- convex part, 3222- concave part, 323- second spring, 324- connecting sleeve;

4- sealing ring; 5- base assembly;

601 - the first valve core assembly, 602 - the second valve core assembly, 61 - the valve core, 62 - the third spring.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

Unless otherwise defined, technical or scientific terms used in the present invention shall have the ordinary meanings understood by those with ordinary skill in the art to which the present invention belongs. "First", "second" and similar words used in the present invention do not denote any order, quantity or importance, but are only used to distinguish different components. "Comprises" or "comprising" and similar words mean that the elements or things appearing before the word encompass the elements or things recited after the word and their equivalents, but do not exclude other elements or things. Words like "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "Down", "Left", "Right", etc. are only used to represent the relative positional relationship, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

In order to keep the following description of the embodiments of the present invention clear and concise, the present invention omits detailed descriptions of known functions and well-known components.

1 to 5 are schematic structural diagrams showing the disassembly and assembly structure of the filter element according to the embodiment of the present invention. As shown in FIGS. 1 to 5 , an embodiment of the present invention provides a filter element disassembly and assembly structure, including:

The casing 1 has a mounting hole 101 at the top;

The filter element assembly 2, which is detachably installed in the housing 1 through the installation hole 101;

The snap assembly 3 is mounted on the top of the filter element assembly 2. The snap assembly 3 includes a driver 31 and a follower 32 symmetrically arranged on both sides of the driver 31 and connected to the driver 31. The filter element 2 or the driver The axial movement of the member 31 along the mounting hole 101 can drive the follower 32 to combine or separate from the side wall of the housing 1 to lock or unlock the filter element assembly 2 and the housing 1 .

The filter element assembly 2 includes a cylinder body 21 and a filter element upper cover 22 installed on the top of the cylinder body 21. The filter element upper cover 22 is arranged on the top of the cylinder body 21 and is connected to the cylinder body 21 through a spin-melting process. The structure is arranged in the upper cover 22 of the filter element, and the followers 32 on both sides of the elastic buckle assembly 3 can pass through the side wall of the upper cover 22 of the filter element to be combined with or separated from the side wall of the housing 1 . The top of the cylinder body 21 is closed to prevent the water flow from leaking out.

The filter element disassembly and assembly structure provided by the embodiment of the present invention can reliably disassemble and assemble the straight-through filter element assembly 2 through the elastic buckle assembly 3 disposed in the filter element upper cover 22 without the need for a rotating installation structure, which can effectively prevent water leakage and improve the user experience. Use experience.

In some embodiments, the filter element assembly 2 further includes a lower cover 23 which is matched with the upper cover 22 of the filter element. The lower cover 23 is opposite to the upper cover 22 of the filter element and is fixedly connected by fastening screws. The upper cover 22 of the filter element is matched with the lower cover 23 The accommodating cavity for installing the spring buckle assembly 3 is formed, which can protect the spring buckle assembly 3 and ensure the reliability of the operation of the spring buckle assembly 3 . After the lower cover 23 is fixedly connected with the upper cover 22 of the filter element, it is fixedly connected with the filter element assembly 2 by screwing. In other embodiments, the lower cover 23 can also be fixedly connected to the upper cover 22 of the filter element in other detachable manners such as snap connection. In this embodiment, the screw connection is adopted for fixed connection, which is convenient for disassembly and assembly and reliable in fixation.

Further, a sealing ring 4 is provided between the side wall of the lower cover 23 and the side wall of the filter element upper cover 22 to seal the lower cover 23 and the filter element upper cover 22, and the outer periphery of the lower cover 23 is provided with a sealing ring 4 for installing the annular groove 231. The upper cover 22 and the lower cover 23 of the filter element assembled in one body are connected with the cylinder body 21 by screw fusion, and are sealed by the sealing ring 4, so that the filter element can be effectively prevented from leaking water.

Specifically, as shown in FIG. 4 and FIG. 5 , and in conjunction with FIG. 2 , the outer periphery of the follower 32 is provided with a buckling portion 321 , and the side wall of the housing 1 is provided with a buckling portion 321 capable of fitting and engaging with the buckling portion 321 . When the filter element assembly 2 is installed in the casing 1, the filter element assembly 2 is pushed directly into the casing 1 from the installation hole 101 at the top of the casing 1. When the filter element assembly 2 moves down to a certain distance, The snap-fit portion 321 is engaged with the slot 11 to lock and fix the filter element assembly 2 and the housing 1 ; when the filter element assembly 2 is disassembled, the driving member 31 can move downward to drive the driven member 32 to be perpendicular to the center of the mounting hole 101 The direction of the axis moves horizontally inward to make the engaging portion 321 disengage from the locking groove 11 , so that the filter element assembly 2 and the housing 1 are unlocked, and the filter element assembly 2 is disassembled and taken out.

As shown in FIG. 2 and FIG. 4 , the driving member 31 includes a disk-shaped connecting member 311 and a first spring 312 connected to the bottom of the connecting member 311 . The center of the connecting member 311 is provided with a pressing portion 3111 , and the pressing portion 3111 is connected through The upper and lower surfaces of the member 311 extend upward and downward for a certain distance. The upper surface of the pressing portion 3111 is the pressing operation surface, and the bottom of the pressing portion 3111 is provided with a groove 3112 for installing the first spring 312, one end of the first spring 312 is in contact with the bottom of the groove 3112, The other end is in contact with the lower cover 23 . The bottom of the pressing portion 3111 has a certain distance from the top of the cylinder 21 so that when the driving member 31 is pressed, the driving member 31 can be moved downward by a certain distance, and the driving member 31 can be moved down after the external force applied to the pressing portion 3111 disappears. It is quickly reset under the action of the first spring 312 .

The upper cover 22 of the filter element is provided with a mounting sleeve 221 which is matched with the pressing portion 3111. The mounting sleeve 221 is formed by extending upward from the top of the upper cover 22 of the filter element for a certain distance. The directions and the central axis directions of the mounting holes 101 are all the same. In a specific implementation, when the first spring 312 is in a semi-compressed state, the pressing portion 3111 located above the connecting piece 311 can pass through the installation sleeve 221, and the pressing operation surface is flush with the top of the installation sleeve 221, so as to facilitate the manual pressing operation .

The follower 32 is installed below the connector 311 and located symmetrically on both sides of the pressing portion 3111 . The follower 32 includes the follower snaps 322 arranged in sequence from the outside to the inside along the pressing direction (horizontal direction) perpendicular to the pressing portion 3111 . , the second spring 323 and the connecting sleeve 324, the connecting sleeve 324 is set close to the pressing part 3111 and has a certain distance from the side wall of the pressing part 3111, one end of the second spring 323 is connected with the driven snap 322, the second spring 323 The other end of the connecting sleeve 324 abuts against the side wall of the pressing portion 3111 . The driven snap 322 is provided with a protruding portion 3221 for installing the second spring 323, and the outer side of the driven snap 322 is provided with a buckling portion 321 (the side opposite to the protruding portion 3221), so that the snap assembly 3 can be connected to the The casing 1 is clamped, thereby locking and fixing the filter element assembly 2 and the casing 1 , and the clamping grooves 11 are symmetrically arranged on both sides of the casing 1 at positions corresponding to the engaging portions 311 .

As shown in FIG. 3 , the bottom surface of the connecting piece 311 is provided with a pushing piece 313 , and the outer side of the driven elastic buckle 322 is provided with a concave portion 3222 which is matched with the pushing piece 313 . When the connecting piece 311 moves downward, the pushing piece 313 is driven downward. Move, contact with the driven snap 322 and push the driven snap 322 to move horizontally inward.

Further, the pusher 313 is a wedge-shaped structure with an inclined slope. The slope of the pusher 313 cooperates with the concave portion 3222 to push the driven elastic buckle 322 to move inward along the pressing direction perpendicular to the pressing portion 3111 and compress the second spring. 323 , the driven elastic buckle 322 moves horizontally inward, so that the buckle portion 321 is separated from the card slot 11 , and the locking state of the housing 1 and the filter element assembly 2 is released, so as to replace the filter element assembly 2 . In this embodiment, the driven elastic buckles 322 are symmetrically arranged on both sides of the driving member 31, and the concave portions 3222 are symmetrically arranged on both sides of the buckle portion 321. Correspondingly, the bottom surface of the connecting member 311 is provided with four symmetrical The pusher 313 is provided to match with the four concave portions 3222 .

In some embodiments, as shown in FIGS. 2 , 4 and 5 , in order to ensure the horizontal movement of the follower 32 , a limiting protrusion 232 is provided on the lower cover 23 . The bottom is connected to limit the follower 32 up and down to prevent it from moving arbitrarily.

The specific working process of the filter element disassembly structure provided by the embodiment of the present invention is as follows:

As shown in FIG. 4 , when the filter element assembly 2 is pushed through the mounting hole 101 at the top of the housing 1 into the housing 1 , the driven snap 322 of the follower 32 is pressed along the filter element by the side wall of the housing 1 . The radial direction of the assembly 2 (the filter element assembly 2 is cylindrical as a whole) moves horizontally inward. At this time, the second spring 323 is squeezed and compressed. When the filter element assembly 2 is pushed to continue to move downward, the engaging portion 321 of the driven elastic buckle 322 is pressed. When moving to the position corresponding to the slot 11 of the housing 1 , the driven elastic buckle 322 moves horizontally outward in the direction perpendicular to the central axis of the installation hole 101 under the action of the tension of the second spring 323 , so that the buckle portion 321 Extend into the snap-fit position of the card slot 11 and engage with the card slot 11 to lock and fix the filter element assembly 2 and the housing 1 to complete the installation of the filter element assembly 2 .

It should be noted that, during the installation of the filter element assembly 2, when the filter element assembly 2 is pushed into the housing 1, the driving member 31 can also be pressed at the same time. The pushing member 313 of the element 31 moves horizontally inward along the radial direction of the filter element assembly 2 under the pressing, so that the filter element assembly 2 can be pushed into the housing 1 easily, and the installation efficiency of the filter element can be improved.

As shown in FIG. 5 , when the filter element needs to be replaced, press the pressing portion 3111 of the connector 311, and the connector 311 moves downward to drive the pusher 313 installed at the bottom of the connector 311 to move axially downward together. At this time, The inclined surface of the pusher 313 cooperates with the concave portion 3222 of the driven elastic buckle 322, and can push the driven elastic buckle 322 to move horizontally inward along the direction perpendicular to the central axis of the installation hole 101, so that the buckle portion 321 is separated from the card slot 11 and released. When the filter element assembly 2 and the housing 1 are in a buckling and locked state, after the buckling portion 321 is released from the slot 11 , the external pressure applied to the pressing portion 3111 of the connecting piece 311 is removed, and the connecting piece 311 is under the tension of the first spring 312 . Under the action, the filter element assembly 2 can be automatically bounced upward and reset. At the same time, the filter element assembly 2 can be removed from the housing 1 upward along the installation hole 101 to complete the disassembly of the filter element assembly 2 .

In some embodiments, buckling portions (buckling protrusions toward the follower 32 ) may also be provided on the inner sidewalls of both sides of the housing 1 , and the outer circumference of the follower 32 may be provided with buckling portions Fit the snap groove to lock or unlock the filter element assembly 2 and the housing 1 .

A filter element 24 is installed in the cylinder body 21, and the material of the filter element 24 can be one or a combination of materials selected from PP cotton, sintered activated carbon, ultrafiltration membrane, RO membrane, ceramics, etc., which is not specifically limited in the present invention.

The embodiment of the present invention also provides a water purifier, which includes the above-mentioned disassembly and assembly structure of the filter element.

In some embodiments, as shown in FIGS. 4 and 5 , the water purifier further includes a base assembly (waterway plate assembly) 5 matched with the filter element assembly 2 , and the filter element assembly 2 is detachably mounted on the base through the housing 1 . Seat assembly 5. Specifically, the casing 1 is first installed on the base assembly 5, and then the filter element assembly 2 is installed in the casing 1 from the top of the casing 1 and connected with the base assembly 1 to complete the installation of the filter element assembly 2, and the filter element is replaced. When assembling 2, the filter element assembly 2 can be taken out from the top of the housing 1.

One end of the cylindrical body 21 facing the base assembly 5 (the bottom of the cylindrical body 21 ) is provided with a guide portion 211 for positioning and guiding the installation of the filter element assembly 2 .

The cylindrical body 21 of the filter element assembly 2 is provided with a first water flow channel, the base assembly 5 is provided with a second water flow channel corresponding to the first water flow channel, and the first water flow channel and the second water flow channel are respectively installed with the same structure. The first valve core assembly 601 and the second valve core assembly 602 are arranged opposite each other. Each valve core assembly includes a valve core 61 and a third spring 62 sleeved on the valve core 61. The cylinder 21 is mounted on the base assembly. At 5:00, the interaction between the first valve core assembly 601 and the second valve core assembly 602 causes the two third springs 62 to compress respectively, and drives the two valve cores 61 to move in the opposite direction, so that the first water flow channel and the second water flow channel Conduction; when the cylinder body 21 and the base assembly 5 are disassembled and separated, the two third springs 62 release the elastic force to drive the two valve cores 61 to reset, so as to respectively seal the first water flow channel and the second water flow channel to realize automatic water sealing .

The water purifier adopts the above-mentioned direct-push filter element disassembly and assembly structure, which has a simple structure, convenient disassembly and assembly, and reliable fixation; at the same time, with the straight-through filter element water sealing structure, the water flow channel can be connected when the filter element is assembled and locked, and the filter element is disassembled. When the water flow channel is closed, the two-way water sealing can be realized, which can effectively prevent water leakage and improve the user experience.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention. The protection scope of the present invention is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the present invention within the spirit and protection scope of the present invention, and such modifications or equivalent replacements should also be regarded as falling within the protection scope of the present invention.

Claims (10)

1. a filter element disassembly structure, is characterized in that, comprises: the shell, the top of which is provided with a mounting hole; a filter element assembly, which is detachably installed in the housing through the installation hole; An elastic buckle assembly, which is installed on the top of the filter element assembly, the elastic buckle assembly includes a driving part and a driven part symmetrically arranged on both sides of the driving part and connected with the driving part, the filter element assembly Or the axial movement of the driving member along the mounting hole can drive the driven member to be combined with or separated from the side wall of the housing to lock or unlock the filter element assembly and the housing. 2 . The filter element disassembly and assembly structure according to claim 1 , wherein the outer periphery of the follower is provided with a buckle portion, and the side wall of the housing is provided with a buckle portion that can be adapted to the buckle portion. 3 . A card slot that is engaged, when the filter element assembly is installed in the housing, the snap portion is engaged with the card slot to lock and fix the filter element assembly and the housing; disassemble the filter element assembly When the driving member is able to move downward to drive the driven member to move horizontally inward in a direction perpendicular to the central axis of the mounting hole, so as to disengage the buckle portion from the card slot, so that the The filter element assembly is unlocked from the housing, and then the filter element assembly is disassembled. 3 . The filter element disassembly and assembly structure according to claim 2 , wherein the filter element assembly comprises a cylinder body and a filter element upper cover mounted on the top of the cylinder body, and the filter element upper cover is screwed with the cylinder body. 4 . fusion connection, the elastic buckle assembly is arranged in the upper cover of the filter element, and the two ends of the follower pass through the side wall of the upper cover of the filter element; The filter element assembly further includes a lower cover matched with the upper cover of the filter element, the lower cover and the upper cover of the filter element are arranged opposite to and fixedly connected to form a receiving cavity for installing the elastic buckle assembly. 4 . The filter element disassembly and assembly structure according to claim 3 , wherein the driving member comprises a disk-shaped connecting member and a first spring connected with the bottom of the connecting member, and a center of the connecting member is provided with a first spring. 5 . There is a pressing part, the pressing part penetrates the upper and lower surfaces of the connecting piece and extends upward and downward for a certain distance. 5 . The disassembly and assembly structure of the filter element according to claim 4 , wherein the follower is installed below the connector and symmetrically located on both sides of the pressing portion, and the follower includes a A driven snap, a second spring and a connecting sleeve are arranged in sequence from the outside to the inside perpendicular to the pressing direction of the pressing portion, and the connecting sleeve is arranged close to the pressing portion and has a certain relationship with the side wall of the pressing portion. distance, one end of the second spring is connected to the driven elastic buckle, and the other end of the second spring passes through the connecting sleeve and abuts against the side wall of the pressing portion. 6 . The disassembly and assembly structure of the filter element according to claim 5 , wherein a pusher is provided on the bottom surface of the connecting piece, and a concave portion matched with the pusher is provided on the outer side of the driven elastic buckle. 7 . 7 . The filter element disassembly and assembly structure according to claim 6 , wherein the pushing member is a wedge-shaped structure, and the wedge-shaped structure has an inclined inclined surface, and the inclined surface cooperates with the concave portion to push the slave The snap button moves horizontally. 8 . The filter element disassembly and assembly structure according to claim 4 , wherein the bottom of the pressing portion is provided with a groove for installing the first spring, and one end of the first spring is in contact with the groove. 9 . The groove bottoms are in contact with each other, and the other end of the first spring is in contact with the lower cover. 9 . A water purifier, characterized in that the water purifier comprises the filter element disassembly and assembly structure according to any one of claims 1 to 8 . 10 . The water purifier according to claim 9 , wherein the water purifier further comprises a base assembly matched with the filter element assembly, and the filter element assembly is detachably mounted on the housing through the housing. 11 . In the base assembly, a first water flow channel is arranged in the filter element assembly, a second water flow channel corresponding to the first water flow channel is arranged in the base component, the first water flow channel and the second water flow channel are arranged in the base assembly. A first valve core assembly and a second valve core assembly with the same structure and opposite to each other are installed in the water flow channel, each valve core assembly includes a valve core and a third spring sleeved on the valve core, the filter core When the assembly is installed on the base assembly, the interaction of the first valve core assembly and the second valve core assembly causes the two third springs to be compressed respectively, and drives the two valve cores to move in opposite directions, so that the first water flow channel and the second water flow channel are connected; when the filter element assembly and the base assembly are disassembled and separated, the two third springs release the elastic force to drive the two valve cores to reset , so as to respectively close the first water flow channel and the second water flow channel.

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